package third.cookie;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet(name = "ReadCookieServlet", value = "/readcookie")
public class ReadCookieServlet extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        //读取cookie
        Cookie[] cookies = request.getCookies();
        if (cookies != null) {
            for (Cookie cookie : cookies) {
                System.out.println(cookie.getName() + ":" + cookie.getValue());
            }
        }
        //删除
        //        Cookie cookie=new Cookie("username", "");
        //        cookie.setMaxAge(0);
        //        cookie.setPath("/");
        //
        //        response.addCookie(cookie);
        //        System.out.println("删除了cookie");

    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        doPost(request, response);
    }
}
